Verilink DIU 2131High-Low Module User Manual
Contents
1. RL Remote Loop TM Test Mode ON DTE is requesting a Local Loopback by asserting the designated lead on the synchronous serial interface OFF the DTE is not requesting a test ON DTE is requesting a Remote Loopback by asserting the designated lead on the synchronous serial interface OFF the DTE is not requesting a test ON DIU is in any test mode OFF the DIU is not in any test 3 Press ENTER to exit the screen 4 Thescreen updates every second to display the status Status information is not stored Verilink User Manual 4 5 Diagnostics and Troubleshooting Verilink User Manual Appendix A Specifications The specifications for the DIU 2131 are given below Applications Interface Data Rate Number of Data Ports 2 Channelization Data Port Loopbacks Interface Module HLM 2532 Port 1 n X 56 64 kbit s increments Port 2 2 4 4 8 9 6 19 2 28 8 38 4 56 64 kbit s SF ESF user assigned slots Bidirectional Port 1 V 35 Winchester type female Port 2 RS 232 DB 25 type female Dual Channel Service Unit A 1 A 2 Dual Channel Service Unit A alarms LOS 3 5 applications using devices with synchronous connections 2 1 B battery clock chip iii block error counter 4 3 command for 4 3 C C command 3 4 channel assignment 3 3 Clear To Send 3 5 4 4 4 5 See also CTS command summary DIU 2130 Menu 3 4 commands C assign DIU to CSU 3 4 D assign DS 0 chan2. The screen also provides selected read only statistics These include the hardware revision which firmware version is running what connector modules are attached to each port and what data bus is being used for the DIU 2131 Verilink User Manual 3 5 Configuration Menu 3 6 Verilink User Manual Chapter Diagnostics and Troubleshooting Once elements for an application are installed configured and running you need a way to make sure that your expectations and requirements for performance are met The DIU 2131 provides several built in features that make circuit maintenance and testing possible LEDs Provide a visual indication of normal and abnormal conditions for each module Loopbacks CSU and DIU loopbacks can isolate problems in the signal path Each loopback includes a specific portion of the signal path and different loopbacks may overlap a common area You can isolate a problem area by applying a logical succession of loopbacks and comparing which loopbacks succeed and which fail Test signals Each CSU can apply a test signal to the circuit through operator issued commands Performance registers are available in the CSU Performance Monitoring Menu DIU 2131 Front Panel Near End Loop LED Far End Loop LED STAT LED The DIU 2131 front panel has three LEDs for each customer data port The Near End Loop LED lights yellow when the associated data port is looped on the DIU The Far End
3. T1 WID LAN Router and ATM MachineTraffic 0202 2 0202 235 WI Automatic T RS 232 Synch Teller 5 Machines E N ATMs i N TETZ NIA v 35 Router Port Network Management Workstation We will use the above application for the quick setup procedure using the following parameters Verilink User Manual 2 1 Quick Set up DSO 1 is for a low speed teller application connected to the Port 2 RS 232 connector DS0s 2 5 are for a 220 kbit s router connected to the Port 1 V 35 connector The T1 has ESF framing and B8ZS line coding The DIU 2131 is sending data to the T1 port on an SCC 2020 in a Dual line shelf We are accessing the DIU 2131 via a terminal emulator connected to the Craft port on the SCC 2020 The information is passing to the SCC 2020 using Data Bus A could also be Data Bus B or C The network is providing the master clock Physical Configuration The following steps are required at both ends of the point to point connection before configuring the firmware 1 Put the rear connector module in first Slide the SCC 2020 into slot 1 of the shelf and the DIU 2131 into slot 2 Connect the router to the V 35 port and the ATM to the RS 232 port Connect the T1 to the Network port Power up the shelf Put the Craft cable from your ASCII terminal emulator to the Craft port on the SCC Set the
4. should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not attempt to make such connections themselves but should contact the appropriate electric inspection authority or electrician as appropriate This equipment is intended to be installed only in a Restricted Access Location that meets the following criteria Access can only be gained by service personnel or users who have been instructed about the reasons for the restrictions applied to the location and about any precautions that must be taken Access can only be gained through the use of a lock and key or other means of security and is controlled by the authority responsible for the location When handling this equipment follow these basic safety precautions to reduce the risk of electric shock and injury Follow all warnings and inst
5. terminal communication parameters to 19 200 kbit s 8 bits No parity 1 stop bit Flow control none Software Configuration This section provides the steps required to configure the SCC 2020 and DIU 2131 for our sample application Only changes required to the default settings are noted 2 2 Verilink User Manual Logging on SCC 2020 DIU 2131 Quick Set up Type craft at the pSH gt prompt Press ENTER at the YOUR PASSWORD prompt We are not going into detail about how to configure the SCC 2020 for our example We just need to make sure that the T1 framing and line coding and the data bus mode are set correctly 1 Settheframing to ESF ESF 2 Set the line coding format to B8ZS B8ZS and the timing to recovered 3 Set 4 Choose DIU Data Bus A The completed SCC Configuration Menu is shown below After configuring a CSU you can configure each associated DIU for operation with that CSU Configuration and diagnostics for the DIU 2131 are located on the same menu From the Main Menu access this screen by using the Shelf Slot option selecting the module and then entering C for configuration Figure 5 2 shows the resulting menu Figure 2 2 DIU 2131 Configuration Diagnostic Menu DIU 2131 C CSU T timing source chnl 01 02 03 04 Dp port 01 01 01 01 Lead Toggles Forced Ports Mp mode Sp scram hdic inv Kp clocking Gp LOS lead Ep enable loop Np near loopback Fp
6. 1 544 Mbit s SF 6 0N 04DU9 BN RJ 48C jack 1 544 Mbit s SF B8ZS 04DU9 DN 1 544 Mbit s ANSI ESF 04DU9 1KN 1 544 Mbit s ANSI ESF B8ZS 04DU9 1SN For DDS interfaces Port ID REN SOC FIC USOC 56 kbit s 6 0N 04DU5 56 RJ 48S jack 64 kbit s 04DU5 64 If the unit appears to be malfunctioning inform the telco and disconnect it from the network lines until the source of trouble is determined to be your equipment or the telephone line If your equipment needs repair it should not be reconnected until it is repaired The unit has been designed to prevent harm to the network If the telephone company finds that the equipment is exceeding tolerable parameters it can temporarily disconnect service In this case the telephone company will provide you advance notice if possible Verilink DIU 2131 User Manual Lithium Battery English Francais Espa ole If the telephone company alters its equipment in a manner that can affect the use of this device it must give you warning so that you have the opportunity to maintain uninterrupted service You will be advised of your right to file a complaint with the FCC No customer is authorized to repair this equipment regardless of warranty status All repairs must be performed by Verilink or an authorized agent It is the responsibility of users requiring service to report the need for service to Verilink or to one of our authorized agents The lithium battery referred to in the fo
7. 6 kbit s or 64kbit s and the desired aggregate rate Port 2 never uses more than one timeslot Since the Craft interface does no error checking you must make sure that you do not assign the same channel to different ports Use the following format examples to enter the desired channel s for Port 1 1 6 or 1 3 5 7 9 mode Establishes the data transmission mode for the data port selected with the D command Port 1 can be either 56kbit s or 64kbit s Port 2 can be 64 56 38 4 19 2 9 6 4 8 or 2 4 kbit s scramble data Scrambles the data stream by changing the ones density before the data stream leaves the designated port Both the near and far DIUs must have this option set to Yes Y for the data stream to be understood clocking Selects the proper data input clock for each data port of the DIU e TT Terminal Timing the data equipment e ST Send Timing generated by the DIU e INV STInverted ST signal generated by the DIU Verilink User Manual Configuration Menu Command G Name LOS lead Description Allows a Loss of Signal LOS alarm to be generated when a dropped signal is detected on one of the selected options The options are DTR RTS and NONE e If you want an LOS alarm when DTR is dropped enter 1 e If you want an LOS alarm when RTS is dropped enter 2 e If you do not want LOS alarms to be generated at all enter DCD Data Carrier Detect This is the vol
8. Loop LED lights yellow when the associated data port is looped at the far end DIU This occurs only if the loop up command was sent by the near end DIU to the far end DIU over the T1 circuit The STAT DIU 2131 status LED is a tri color indicator which shows one of the following conditions for each data port Lit Green DIU is working properly normal operation Verilink User Manual 4 1 Diagnostics and Troubleshooting Flashing Green DIU is accessed by anode controller thumbwheel switch operator Both the PORT 1 and PORT 2 STAT LEDs flash green during this time Solid Green for 6 Seconds then 2 Flashes ot Red repeated This indicates that there is a loss of signal on the data port Solid Green for 6 Seconds then 3 Flashes of Red repeated This indicates that the DIU 2131 has a low battery This alarm will only be displayed by both STAT LEDs Lit Red DIU is faulty or problem in equipment connections Replace the DIU Lit Yellow Associated data channel is under test by an operator a test signal is being applied by the DIU Flashing Red Power up self test failure Could indicate an incorrect rear connector module has been installed Flashing Red and Yellow DIU has failed an operator initiated data channel test Not Lit DIU is not powered up power is lost Figure 4 1 DIU 2131 Controls and Indicators 4 2 LELZ nia HVA UVaN T Q 9 gt an3 ana O LOOP H Data Port 1
9. Loopback and O ve Status LEDs O LOOP L Data Port 2 O e Loopback and Status LEDs Verilink User Manual Diagnostics and Troubleshooting Monitoring Test The DIU 2131 has bidirectional loopbacks that can be used with Pattern Errors test patterns The T Block Error Counter command generates and monitors a DIU test pattern for errors The monitoring is real time not historical The count is updated every second The DIU test runs on user selected time slots It tests the integrity of the T1 link between two DIUs The test can only be run in two ways DIU pec DIU DIU Bec DIU lt q x Leg X m gt BEC a b A Into a far end loopback bidirectional DIU loopback B Against another DIU running its test pattern with no loopback set This test is performed after setting a far end loopback using theF command To monitor the block error counter 1 Type T and the port number in the prompt line of the DIU 2131 Configuration Diagnostic Menu 2 Press ENTER The following line displays The entire line will blink once every second The error counter is refreshed each time Port 1 Block Error Count 23867 STOP gt 3 Press ENTER to stop the test and exit the screen 4 Thescreen is updated every second to display the sum of all errors detected from the start of thetest Count information is n
10. The statistics area provides the following information Statistics DIU 2131 firmware and hardware revision numbers FW HW Rev Whether the battery power is OK or LOW ca ae y power Battery respectively ee OK hich data bus you selected in the CSU Configuration Menu DTE Intf What type of interface is on Port 1 and Port 2 gt V 35 RS 232 The handshake control signals display area fields change to show which ports if any are force high Lead Toggles DTR DSR RTS CTS DCD Forced Ports 1 2 J A fe In this example DTR is forced high for Ports 1 and 2 None of the other signals are forced for any port Assigning the This assignment establishes the data path between the DIU and the DIU to a CSU associated CSU using the data bus previously assigned in the CSU 3 2 Configuration Menu CAUTION Any time the DIU bus assignment is changed in a CSU all DIUs assigned to that CSU need to be reassigned To reconfigure them correctly you must re enter the shelf and slot number for each DIU even if the correct numbers already appear on the screen To assign a DIU to a CSU in the node Verilink User Manual Configuration Menu 1 Select a related CSU type C on the prompt line of the DIU 2131 Configuration Diagnostic Menu 2 Press the ENTER key A new prompt line will appear requesting a shelf number 3 Enter the number of the shelf you wish to access and press ENTER A second
11. Verilink DIU 2131High Low Module User Manual September 1999 P N 880 502765 001 D1 NEAR FAR NEAR FAR END END END END VERILINK Copyright Notice Trademarks FCC Requirements Copyright 1999 Verilink Corporation All rights reserved This document does not create any express or implied warranty about Verilink or about its products or services Verilink s sole warranty is contained in its product warranty The end user documentation is shipped with Verilink s products and constitutes the sole specifications referred to in the product warranty Verilink has made reasonable efforts to verify that the information contained herein is accurate but Verilink assumes no responsibility for its use or for any infringement of patents or other rights of third parties that may result The customer is solely responsible for verifying the suitability of Verilink s products for its use Specifications are subject to change without notice Verilink is a registered trademark of Verilink Corporation Access System 2000 WANscope VeriStats and FrameStart are trademarks of Verilink Corporation Any named products herein are trademarks of their respective companies This equipment has been tested and found to comply within the limits for a Class A digital device pursuant to Part 15 of the Federal Communications Commission FCC rules These limits are designed to provide protection a
12. au par les t l communications TNV apres les connections de circuits ATTENCION La bateria puede explotar si se reemplaza incorrectamente Reemplace la bateria con el mismo tipo de bateria una equivalente recomendada por el manufacturero Dis ponga de las baterias de acuerdo con las instrucciones del manufacturero ATTENCION Para evitar contacto con circuitos que electrocutan la fuente de alimentaci n debe ser instalada por un t cnico profesional La terminal de la fuente de alimentaci n marcada con el s mbolo de tierra debe ser conectada a un circuito de vuelta por tierra permanente PELIGRO Circuitos que se interconectan a la red de telecomunicaciones deben hacerse de tal manera que cumplan con los requisitos estipulados en las especificaciones EN60950 1992 A4 1997 Secci n 6 2 para los voltages de circuitos interconnectados gt la Red de Telecomunicaciones TNV despues de terminar las connecciones entre os circuitos Verilink DIU 2131 User Manual iii Deutsch Canadian Requirements Safety Precautions VORSICHT Explosionsgefahr bei unsachgem em Ersetzen der Batterie Batterie gleichen Typs und gleicher Qualit t benutzen wie vom Hersteller empfohlen Entsorgung der Batte rie nach Anweisung des Herstellers VORSICHT GEFAHR Um keinen Schlag zu erhalten beim Versagen der electrischen Anlage muss der Stro manschluss von einem Elektriker vorgenommen werden Der elektrische Pol ve
13. controller module These controllers can be managed by the Craft 1 2 interface SNMP or Node Manager Remotely located users can also use Telnet over Ethernet or SLIP to access the Craft interface See the user manual for the controller in your node Verilink User Manual u Chapter 2 Quick Set up The DIU 2131 multiplexes data from a high speed and low speed application onto ashared T1 line The high speed application could be a file server router bridge video teleconference codec or any device with a synchronous connection The low speed application can be up to 64 kbit s or one T1 timeslot A typical application is an automatic teller machine This chapter describes all of the steps required to set up the DIU 2131 for atypical application Your settings may be different for example the number of timeslots needed for your high speed application Refer to the appropriate controller module and management software user manuals for more detailed information This chapter focuses on the DIU 2131 configuration Sample Application The DIU 2131 is ideally suited to provide connectivity between branch offices and data processing hubs within the banking industry Figure 2 1 Sample Application Data Processing Hub AS2000 a gt MES 200 el Branch Bank ATM Machine Front End RS 232 Synch Processor 19 2 Kops V 35 Frame Relay LAN Traffic nx64K Port CES NIH TETZ NIA
14. d status command 3 5 mux mode channel agreement 3 3 validating the configuration 3 3 Verilink User Manual Index 1 N N command 3 5 near loopback command 3 5 P P command 3 5 4 4 R Ready To Send 4 4 Receive Data 4 4 Request To Send 3 5 See also RTS RL 4 5 See also Remote Loop RTS 3 5 4 4 See also Request to Send RxD 4 4 S S command 3 4 scrambling the data stream 3 4 ST 3 4 T T command 3 4 3 5 test and monitor BEC command 3 5 test mode 4 5 test signals errors 4 3 TM 4 5 See also Test Mode TT 3 4 See also terminal timing TxD 4 4 Index 2 Verilink User Manual September 1999 P N 880 502765 001D1 VERILINK VERILINK CORPORATION 127 JETPLEX CIRCLE MADISON ALABAMA 35758 TEL 800 837 4546
15. e latest firmware revisions SCC 2 06 and TAC 1 6 enable the user to configure all of the modules at the far end node not just the controller Passwords are used to control access between the near and far ends NOTE This manual requires familiarity with standard telecommunications terminology applications and practices The High Low module multiplexes up to 24 channels from two synchronous ports one high speed for aggregating multiple data channels and one low speed for subrate data and transfers the information onto a single T1 line There are two data ports on the DIU 2131 rear connector module the HLM 2532 Port 1 is ahigh speed V 35 synchronous port providing n x 56 default or n x 64 kbit s of bandwidth Port 2 is a low speed RS 232 synchronous port using a single DSO providing speeds of 2 4 4 8 9 6 19 2 28 8 38 4 56 or 64 kbit s The front modules and their rear connector modules are shown in the figures below Verilink User Manual 1 1 High Low Application Figure 1 1 DIU 2131 Front Panel with HLM 2532 DIU 2131 Application Module DIU 5 k 6 k 2131 o Beck Ss b ports O O O ror OO O HLM 2532 Interface Module z 000000000 O 3 00000000 i O E 000000000 NE 3 O 00000000 O E 2 RS232 DATA PORT 2 V 35 DATA PORT 1 Network The DIU 2131 can be in a node controlled by an SCC or NCM Management
16. e on the far end in a point to point circuit For example if the near end uses DSOs 1 6 the far end must also use DSOs 1 6 If you re going through a DACS this may not apply Verilink User Manual 3 3 Configuration Menu Summary of Commands 3 4 If you have Verilink equipment at the other end make sure 4 that an Fp far end loopback can be successfully done before turning the circuit over to your customer NOTE Errors in Dp port or Mp mode will cause Fp to fail A summary of the commands their names and their descriptions is provided in the following table Table 3 1 Summary of DIU 2131 Menu Commands Command C Name csu Description Assigns a DIU 2131 to a CSU in the node T timing source This command either assigns a data port to be the timing source or assigns the CSU to be the timing source Port 2 cannot support tail circuit timing Options are Port1 Port2 or CSU NOTE Before using this command you must select the CSU s timing source in the CSU Configuration Menu Also if the TT clock from a DIU port will be used to provide the timing source to a CSU or TIU for T1 transmit timing you must use the C command to select TT not ST or inverted ST for that port port Assigns one or more available DSO channel timeslots of a T1 circuit to each data port of the DIU 2131 The number of channels required by Port 1 depends on what transmission mode you select either 5
17. ed e If liquid has been spilled into the product e If the product has been exposed to rain or water e If the product has been dropped or if the cabinet has been damaged Verilink s product warranty covers repair or replacement of all equipment under normal use for a five year period from date of shipment Replacement products may be new or reconditioned Any replaced or repaired product or part has a ninety 90 day warranty or the remainder of the initial warranty period whichever is longer Our in house Repair Center services returns within ten working days Verilink offers the following services System Engineers at regional sales offices for network design and planning assistance 800 837 4546 Technical Assistance Center for free 24x7 telephone support during installation maintenance and troubleshooting 800 285 2755 and support verilink com To return a product it must be assigned a Return Materials Authorization RMA number before sending it to Verilink for repair 800 926 0085 ext 2282 Maintenance contracts and leasing plans 800 837 4546 Technical Training on network concepts and Verilink products 800 282 2755 and training verilink com Web site www verilink com This manual was written and illustrated by Laine Tammer Contributing Writers and Editors David Gardner Marie Metivier Barbara Termaat and Steve Rider Verilink DIU 2131 User Manual Vv vi Verilink DIU 2131 User Manual Tab
18. en enter C for configuration Figure 5 1 shows the resulting menu Figure 3 1 DIU 2131 Configuration Diagnostic Menu C CSU DIU 2131 CONFIGURATION DIAGNOSTIC MENU T timing source CSU chnl 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Dp port 02 Lead Toggles Forced Ports Port 1 Port2 Statistics Mp mode 64K 64K FW HW Rev 1 0 0 8 Sp scram hdlc inv N N N N Battery OK Kp clocking ST ST DTE Intf V 35 RS 232 Gp LOS lead NONE NONE Data bus A Ep enable loop YES YES Tp test and monitor BEC Np near loopback OFF OFF Pp monitor leads and status 11 DTR DSR RTS CTS DCD Il le Verilink User Manual 3 1 Configuration Menu Menu Layout The fields in the DIU 2131 Configuration Diagnostic Menu can be viewed as groups of related functions The small letter p to the right of most commands is a placeholder for the number of the port you want to access For example if you want to enable the loopbacks for Port 1 enter E1 If you want to enable loopbacks for Port 2 enter E2 The upper portion of this display lists the configuration commands and current DIU configuration settings The lower portion lists the diagnostic commands for the DIU 2131 The screen above show Channels 1 12 assigned to Port 1 and Channel 15 assigned to Port 2 It also shows the options available after the user has entered the mode M command for Port 2
19. far loopback 1 2 DIU 2131 gt CONFI GURATI ON DIAGNOSTIC MENU 1 1 CSU 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 01 01 01 01 01 01 01 01 02 DTR DSR RTS CTS DCD gt af l fs af Port 1 Port 2 Statistics 64K 19 2K FW HW Rev 1 3 0 8 N N N N Battery OK ST ST DTE Intf V 35 RS 232 NONE NONE Data bus A YES YES Tp test and monitor BEC OFF OFF Pp monitor leads and status OFF OFF A Alarm Enable NO Verilink User Manual 2 3 Quick Set up Assigning 1 Type D1 to assign DSOs for Port 1 Timeslots 2 Type 2 5 3 Type D2 to assign the DSO for Port 2 4 Type 1 Assign Mode Since we are using ESF we have 64 kbit s available in each timeslot 5 Type M2 and select 19 2 kbit s 2 4 Verilink User Manual zu Chapter Pre requisites Configuration Menu This chapter describes all of the options and settings included in the Configuration Diagnostic Menu Before configuring the DIU 2131 the associated CSU must be configured for Mux mode This is done using the DIU bus option in the CSU s Configuration Menu to choose Data Bus A Bor C See the CSU manual for more information either the SCC 2020 User Manual or the TAC 2010 User Manual Configuring the DIU 2131 After configuring the CSU you can configure each associated DIU From the Main Menu use the Shelf slot option to select the DIU 2131 and th
20. gainst harmful interference in a commercial environment This equip ment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the user manual can cause harmful interference to radio communications There is no guarantee that interference will not occur in a particular installation If this equipment causes harmful interference to radio or television reception which can be determined by turning the equipment off and on try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This equipment complies with Part 68 of the FCC Rules On the rear side or bottom of the unit is a label that contains the FCC registration number and other information If requested provide this information to the telephone company All direct connections to the network lines must be made using standard plugs and jacks compliant with Part 68 The following tables list the applicable registration jack universal order codes USOCs facility interface codes FICs and service order codes SOCs These are required to order service from the telco For T1 interfaces Port ID REN SOC FIC USOC
21. le of Contents 1 High Low Application e 1 1 OVERVICW int rar same toc 1 1 Network Management ee 1 2 2 QUICK Set Up es A LR rd 2 1 Sampie Application ii aa ee 205 aaa rein aa a al 2 1 Physical Configuratio aira inredni a Nid 2 2 Software Configuration Hrn ns aut aan aeg 2 2 LOOGING OM ne HE Denen 2 3 SCC 2020 Re ere nee Ea ii aa manne eee nc tee nee ee 2 3 BIUZIST a a age 2 3 3 Configuration Menu a 3 1 Pre tequisites spa EE tt 3 1 Configuring the DIU 2131 anna en ne Delio th nie tent 3 1 Menu Lay QUE essen dla 3 2 Assigning the DIU toa CSU noia lei 3 2 Setting DIU up for Multiplexing 0 eect cette etter eee eee ene tesa essa aaa 3 3 Summary of Commands sus 3 4 4 Diagnostics and Troubleshooting eee eee aaa nenn 4 1 DIU 2131 Front Panel umi us ati a a 4 1 Ne r End Loop LED ui eee aa uen hein th mt 4 1 Far End Loop LED u ri Bo 4 1 STATED rega ae E ale al i e at a 4 1 Monitoring Test Pattern Errors ee 4 3 Monitoring Leads and Status e 4 4 A Specificationi en iaa A 1 Verilink User Guide vii viii Verilink User Guide zu Chapter Overview High Low Application This user manual describes the DIU 2131 High Low module within Verilink s Access System 2000 AS2000 platform This module operates in conjunction with a CSU either an SCC 2020 TAC 2010 or DIDCSU 2912 to multiplex a high speed and low speed application onto a single T1 Th
22. llowing notices is contained inside the clock chip DANGER The battery can explode if incorrectly replaced Replace only with the same or equiv alent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions DANGER To avoid electrical shock in case of failure the power supply must be installed by a professional installer The terminal labeled with the ground symbol on the power supply must be connected to a permanent earth ground CAUTION Interconnecting circuits must comply with the requirements of EN60950 1992 A4 1997 Section 6 2 for telecommunications network voltages TNV circuits ATTENTION Une explosion peut se produire si la batterie est remplac e d une facon incorrecte Remplacez la seulement avec le m me mod le de batterie ou un mod le quivalent selon les recommendations de manufacture Disposez de les batteries us es selon les instructions de manufacture ATTENTION Pour viter choc lectrique en cas de insucces la provision de pouvoir doit tr install par un installeur professionnel Le terminal de la provision de pouvoir mar qu du symbol de terre doit connect un circuit de terre permanent PRUDENT Les circuits doivent tr interconnect s de mani re ce que l quipement continue a tr en agr ment avec EN60950 1992 A4 1997 Section 6 2 pour les circuits de voltage de liaisons d changes r se
23. nels 3 4 E enable DTE loop 3 5 F set far data channel loop 3 5 G LOS lead 3 5 K data input clock 3 4 M data transmission mode 3 4 N set near data channel loop 3 5 P monitor leads and status 3 5 S scramble data stream 3 4 T port for timing 3 4 T test and monitor BEC 3 5 CTS 3 5 4 4 See also Clear To Send D D command 3 4 Data Carrier Detect 3 5 4 4 See also DCD Data Carrier Equipment 4 4 Data Set Ready 3 5 4 4 See also DSR Data Terminal Equipment 4 4 Data Terminal Ready 3 5 4 4 data transmission mode 3 4 DCD 4 4 See also Data Carrier Detect DIU configuration settings 3 2 data transmission mode 3 4 timing source 3 4 DIU 2130 2 3 3 1 assigning to CSU 2 3 3 2 3 4 clocking 3 4 enable loop 3 5 menu layout 3 2 Index near loopback 3 5 port assignment 3 4 statistics 3 2 DSR 4 4 See also Data Set Ready DTR 3 5 4 4 See also Data Terminal Ready E E command 3 5 enable loop command 3 5 errors far loopback failure 3 4 F F command 3 5 4 3 far loopback command 3 5 G G command 3 5 INV ST 3 4 See also inverted timing K K command 3 4 L LEDs for troubleshooting 4 1 LL 4 5 See also local loop local loop 4 5 Loopbacks for troubleshooting 4 1 loopbacks DIU 2130 enable DTE loop 3 5 enable loops 3 5 far data channel loop 3 5 far loopback 3 5 near data channel loop 3 5 near loopback 3 5 Loss of Signal 3 5 LOS alarm 3 5 LOS lead command 3 5 M M command 3 4 monitor leads an
24. ot stored Verilink User Manual 4 3 Diagnostics and Troubleshooting Monitoring Leads The P command lets you monitor the status of the leads between and Status the DTE Data Terminal Equipment and the DCE Data Carrier Equipment To monitor the status of the leads 1 Type P and the port number in the prompt line of the DIU 2131 Configuration Diagnostic Menu 2 Press ENTER The following information displays in the prompt line area Handshake leads TXD RXD DTR DSR RTS CTS DCD LL RL TM LOS Port 1 YES YES OFF OFF ON ON ON AON OFF ON ON lt STOP gt V 35 leads Loss of Signal alarm This is what the fields mean Field Description TXD YES transitions are detected in transmit data Transmit Data NO DTE is not transmitting data idle RXD YES transitions are detected in receive data Receive Data NO the DIU is not outputting receive data idle DTR ON DTE is asserting Data Terminal Ready Data Terminal Ready OFF DTR is not asserted by the DTE DSR ON DIU is asserting Data Set Ready Data Set Ready OFF DIU is holding DSR low RTS ON DTE is asserting RTS Request To Send OFF RTS is not high CTS ON DIU is asserting CTS Clear to Send OFF the DIU is holding CTS low DCD ON DIU is asserting DCD Data Carrier Detect OFF the DIU is holding DCD low 4 4 Verilink User Manual Diagnostics and Troubleshooting Field Description LL Local Loop
25. prompt line will appear requesting you to enter the slot number of the related CSU Setting DIU up Figure 5 2 shows how to set up the DIU 2131 configuration screen for Multiplexing for muxing Figure 3 2 DIU 2131 Configuration for Mux Mode If the CSU is in a different shelf you will need a data bus extension kit Remember you must re enter the CSU if you make bus change DIU 2131 CONFIGURATI ON DIAGNOSTIC MENU Ci CSU 1 11 3 T timing source CSU chnl 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 af Dp port 01 01 01 01 01 01 01 01 01 01 01 01 02 Unless the signal is going through a DACS Lead Toggles DTR DSR RTS CTS DCD Forced Ports ef e SUE channel assignments must match at Port 2 Statistics both ends of Mp mode 19 2K FW HW Rev 1 3 0 8 Sp scram hdic inv N N Battery een Kp clocking ST DTE Intf V 35 RS 232 MA Gp LOS lead NONE Data bus A manei 64K require BBZS Ep enable loop YES Tp test and monitor BEC keine Np near loopback OFF Pp monitor leads and status coding Fp far loopback OFF A Alarm Enable 1 2 DIU 2131 gt Since the Craft interface does not check for errors when you savea configuration validate the following _ Each DIU is assigned to the proper CSU CSU command in DIU menu The mode 56k or 64k is correct for Port 1 J The channels used on the near end match thos
26. rse hen mit dem Erdsymbol muss am Stromanschluss permanent geerdet sein VORSICHT Schaltungen die in den Ger ten zusammengeschaltet sind m ssen weiterhin den Vorschriften EN60950 1992 A4 1997 Absatz 6 2 f r Telecommunications Netz Spannung TNV Schaltkreize entsprechen This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la class A prescrites dans le R glement sur le brouillage radio lectrique dict par le minist re des Communications du Canada The Industry Canada label indentifies CS 03 certified equipment This certification means that the equipment meets certain telecommunications network protective operational and safety requirements Industry Canada does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord The customer
27. ructions marked on the product and in the manual Unplug the hardware from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a cloth slightly dampened with water Do not place this product on an unstable cart stand or table It may fall causing serious damage to the product Slots and openings in the shelves are provided for ventilation to protect them from overheating These openings must not be blocked or covered Never place this product near a radiator or heat register Verilink DIU 2131 User Manual Product Warranty Customer Service Publications Staff This product should be operated only from the type of power source indicated on the marking label and manual If you are unsure of the type of power supply you are using consult your dealer or local power company Do not allow anything to rest on the power cord Do not locate this product where the cord will interfere with the free movement of people Do not overload wall outlets and extension cords as this can result in fire or electric shock Never push objects of any kind into the shelves They may touch dangerous voltage points or short out parts that could result in fire or electric shock Never spill liquid of any kind on this equipment Unplug the equipment from the wall outlet and refer servicing to qualified service personnel under the following conditions e When the power supply cord or plug is damaged or fray
28. tage threshold determining that the T1 signal is good DTR DSR RTS CTS Data Terminal Ready Data Set Ready Request To Send Clear To Send DTR DSR RTS and CTS are the DCE DTE handshake leads When the handshake leads are not forced DIU signals follow DTE signals When a lead is forced the signal is asserted it s on By default the DIU signals are not forced high Rather the DIU follows the input state of the RTS and DTR leads With this option the CTS and DSR follow RTS and DTR respectively The DCD lead follows the associated CSU s LOF alarms state DCD off in alarm The enable state forces the lead high enable loop Allows you to enable or disable the data channel loopback DTE function on each data port of the DIU If this function is not enabled you won t be able to activate or deactivate the specific loopbacks with the N near loopback or E far loopback commands near loopback Activates and clears a data channel loopback on the currently accessed near end DIU far loopback Activates a data channel loopback at the far end DIU 2131 This command sends a loop up code on the selected DIU data channel to the far end Upon receiving this code the far end DIU activates the appropriate data channel loopback test and monitor BEC Initiates and monitors a DIU test pattern for errors monitor leads and status Shows the monitor leads and their status
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